wheat ley



T, WHEATLBY.

4 Sheets-Sheet 1.

HEATER.

Patented Jan. 12, 1897.

Wha

58 WW INVENTOR.

TE BY WMW ATTO EY.

(No Model.) T WHEATLEY 4 Sheets-Sheet .2. I HEAT-ER.

No. 574,967. Patented Jan. 12, 1897,

WWI WI x T'5' 'YIL- 4% I --v1-1 [NVEN TOR,

(N0 Mode1.)4 4 Sheena-Sheet 3.

HEATER.

Patented Jan. 12,.1897.

INVENTOR. h

ATT r UNITED STATES THOMAS \VHEATLEY, OF SYRACUSE,

FOWLER, OF

PATENT OFFICE.

NEIV YORK, ASSIGNOR TO ALBERT P.

SAME PLACE.

HEATER.

SPECIFICATION forming part of Letters Patent No. 574,967, dated January12, 1897.

Application filed December 23, 1895. Serial No. 572,987. (No model.)

To (all whom, it Duty concern.-

Be it known that 1, THOMAS WHEATLEY, a citizen of the United States,residing at Syracuse, in the county of Onondaga and State of New York,have invented a new and useful I-Ieater; and I do hereby declare thatthe following, in connection with the accompanying drawings, is a full,clear, and exact description of the invention.

My invention is a new and improved heater; and it consists of a suitablebase provided with novelbearings for the grate-sections and supportingWater-sections of an improved form. These sections are so constructedthat the whole body of water is divided up into comparatively smalldivisions and when assembled form a system of flues and dead ends, sothat the heat and products of combustion are brought quickly intocontact and are maintained for a prolonged time in contact with largeheating-surfaces. These surfaces are for the most part single inthickness and are largely provided with corrugations, which not onlyincrease the heating-surface, so affording a large surface of contact inproportion to the body of water, but act as baflieplates, changing thedirection of the draft at every point, thus holding the heat in contactwith the surfaces for a longer time. These same results are alsopromoted by the arrangement of horizontal flues and of vertical fluesand dead ends.

My heater is composed of a base having bearings at one side and anelongated slot at the other, through which the grate-sections are easilyand separately inserted and in which they are supported. This base formsthe ash-pit and sustains the boiler-sections, front, rear, andintermediate interchangeable 40 sections, each provided withdownwardlyextending Water-legs longitudinally corrugated, a largecentral countersunk portion, and upper and lower horizontally-elongatedopenings through the Water-space. These nected in front by a singlevertical flue, and also form between their adjacent faces verticalflues, leading immediately up from the firebox to the lower horizontalflue, and above these vertical flues dead ends, extending far into theupper water-space. By means of the front doors the horizontal flues andcorrugations may be easily cleaned, and by means of side doors thevertical flues and dead ends, so that every part of the interior may bereached and cleaned with little trouble.

My invention will be better understood by reference to the accompanyingdrawings, in which the same reference-numbers refer to the same parts inall the views.

Figure I is a front elevation of my heater. Fig. II is a side elevationof the same. Fig. III is a longitudinal vertical section taken on thecentral line of the heater. Fig. IV is a vertical cross-section showingone of the intermediate sections in elevation. Fig. V is a top plan viewof the heater; Fig. VI, a top plan view of one intermediate section.Fig. VII is a cross-section of an intermediate section taken on line 7 7of Fig. IV. Fig. VIII is across-section on line 8 S of Fig. IV, viewedfrom below. Fig. IX is a vertical section on line 9 9 of Fig. IV. Fig. Xis a similar section on line 10 10. Figs. XI and XII are enlarged viewsshowing the means by which the sections are attached and connectedtogether. Fig. XIII is a top plan view of the base with the boilersections removed. Fig. XIV is a front elevation of the same. Fig. XV isa vertical cross-section of the same, showing one section of the gratepartly withdrawn.

1 indicates the foundation or base of the heater, forming the ash-pit 2and having front and rear doors 3 3. In the upper portion of this baseis supported in suitable bearings the grate at, and on it is sustainedthe boiler, composed of front section 5, rear section (3, andintermediate sections 7 7 7.

BoiZer-secti0ns.lhe front section is provided with the usual doors, theclean-out door 8 above, and the sight or feed door 9 below. It has abottom Water-space 10 in front of the fire-box 11, a lower water-space12, an upper water-space 13, lower and upper horizontally-elongatedopenings 14 and 15, and steam-space 16. The intermediate sections 7 7(best shown in Figs. III, IV, and V to X) products of combustion come incontact are are made similar and interchangeable andlongitudinallycorrugated. These corrugated their peculiar constructionis an important feature of my invention. They are formed with thecentral portion of both front an d rear faces countersunk. Thiscountersunk, and consequently thinner, portion of the section extendsfrom the bottom of the lower waterspace 12 nearly to the top of theupper waterspace 13, where it is terminated by the projecting surface 18of the upper wat-er-space, and toward the sides by the inclined surfaces19 19, sloping downward from each end of the surface 18. Below andtoward the sides it is terminated by the inclined surfaces 20 20,slopingupward and outwardly. These inclined surfaces 1.9 and 20 terminate inthe rectangular cut-outs 21 21 in the outer edge of the sections, whichform openings normally closed by side doors 22 22, sustained in slides23 The intermediate sections 7 7 are also provided with lower and upperhorizontallyelongated openings 14 and 15, corresponding with the sameopenings in the front section of the boiler and also with correspondingwater-spaces, the lower 12, the upper 13, and steam-space 1G. The rearface of the front section has its central portion countersunk,corresponding with the formation of the intermediate sections. By thisconstruction when the sections of the boiler are assembled the openingsthrough all the sections correspond and form the lower horizontal flue1i 14,extending continuously from front to rear, and also the upperhorizontal flue 15 15, connected to said lower flue by a front verticalflue 24, formed in the front section 5 between the clean-out door 8 andthe upper waterspace 13. By the countersunk formation of the faces ofthe sections when the sections are assembled vertical flues 25 25 areformed between their adjacent faces,leading,through the lowerwater-space 12 12, from the fire-box 11 to the lower horizontal flue 111t, and immediately above these fiues 25 25 the dead ends 26 26,extending into the upper waterspace 13 13 and terminating near its uppersurface. The rear section 6 of the boiler is provided with a lowerwater-space 27, an upper water-space 28, a lower smoke-flue 2!), leadingdirectly to the stack 30 from the tirebox, and an upper smoke-flue 31,into which pass the products of combustion from the upper horizontalflue l5 15. This rear section is preferably countersunk on its forwardface to correspond with the countersunk portion of the adjacentintermediate section, as seen in Fig. III. 011 the back of this sectionis attached by any suitable means a smoke-bonnet 32, by which theproducts of combustion, having passed through the horizontal fines inthe boiler, are received from flue 31 and thrown downward before theypass out into the stack 30. Upper and lower dampers 33 and 34: are alsoprovided.

Corrugated surfaces-The greater portion of the surfaces with which theheat and the surfaces are the top 35 of the iire-box,the sides 36 36thereof, (being the inner surfaces of the water-legs 41 4.1,) and boththe lower and upper faces of the horizontal Hues 14- 14 and 15 15, saidfaces (or walls of the water-spaces) being indicated, respectively, bythe numbers 37, 38, 39, and 40. 15y this peculiar construction of boileror water sections the heat comes immediately in contact with largeheatingsurfaces, being for the most part of a single thickness of metal.The heat remains for a long time in contact with said surfaces, thecorrugations and the dead ends increasing the heating-surface and actingas bafiie-plates to turn the draft at every point.

Means for cormect ing the sections-I have provided a simple andeifeetive means for firmly connecting together the sections of my boilerand simultaneously making connection between the adjacent water-spacesto take the place of the cumbersome and expensive externalconnecting-drum in common use. This connection is best shown in Figs.II, V, XI, and XII. On both faces of each intermediate section two ofthe corners namely, one upper corner 42 and the diagonally oppositelower corner 43-are out out, leaving small rectangularrecesses, in whichare tapped screw-threaded holes 44 through the metal into thewater-space. Short pieces of pipe or nipples 45 are provided, with theirends right and left threaded to engage with these threaded holes. \Vhenthe sections are set together, the cut-out corners or recesses 42 and 43on adjacent sections correspond. The nipples 45 are set to engage withthe holes on each side and screwed tight, whereby the adjacent sectionsare drawn strongly together and communication is offected between theadjacent water-spaces. Lock-nuts -16 46 are also arranged,engaging withthe threads on the nipples for making a tight connection, and wheredesired rubber washers at? 47 may be interposed between the lock-11utsand the adjacent surface. The rear face of the front section and thefront face of the rear section have diagonally opposite cornerssimilarly recessed to permit the use of the nipples and the attachmentofthese sections by this means to the adjacent intermediate sections. iythis means it will be seen that the water-legs of the adjacent sectionsare connected together alternatelyon one side and the other, and theadjacent steamspaces also alternately on one side and the other, thearrangement of these connections being best shown in Figs. II and V, sothat the connections between the steam-spaces are arranged inalternation with the connections between the water-legs 4:141 and arenever arranged directly over them.

lllcmner of sustaining grate-sections. -This is best shown in Figs. XIIIto XV. Base 1 is provided with bearings-50 to receive the inner ends 51of grate-bars. On the other side the base is provided with the elongatedslot 53, through which the grate-sections 52 are easily slipped intoplace and in which rest the outer ends 54 of the grate-bars. A lock ba155 is pivotally connected at one end 56 to base and is provided withnotches 57 57, fitted to the grate-bars 54C, and with a latch at itsopposite end. When this lock-bar is dropped into position, its notches57 57 engage with the grate-bars 5a 54, preventing the withdrawal of thegrate-sections 52. The grate-sections may be connected together by anydesirable means, as by the connectingbar 58, pivoted at 59 59 to thelinks 60 60, which engage with the angular ends 61 61 of the grate-bars54 54. To one end, preferably the forward, of this connecting-bar 58 at62 is pivotally connected the lever 63, journaled to the base at 64, bywhich means all sections of the grate may be rocked simultaneously. Ifdesired, any single link 60 may be taken off and the particulargrate-section 52 left motionless while the rest are rocked, or theconnecting-bar 58 and all the links 60 60 may be omitted and eachgrate-section shaken separately by means of a handle fitting its squareend 61.

Gages and connections-My heater is provided with the ordinary fittingsof steam-gage 66, connected by pipe 67 to steam-space 16, water-gage 68,connected bypipes 69 69 69 to the water-spaces and blow-off cocks 70 70.71 71 are connections for the outflow-pipes, 72 for the safety-valve,and 73 for the waters pp y- Adncmiages.-By my improved construction ofheater I obtain the following advantages: quick contact of heat andproducts of combustion with maximum of heating-surface; good circulationand maximum of time of contact; corrugations and dead ends increaseheating-surfaces and, acting as baffleplates, prolong time of contact;increase in single-thickness heating-surfaces; therefore sectionslighter and saving in metal and expense; simple, cheap, effective meansof connecting boiler-sections; simple means for sustaining grate;finally, cleaning made easy, every inch of interior reached directlythrough front or side doors; corrugated surfaces easily cleaned throughfront doors, soot fallingdown; vertical flues and dead ends cleanedthrough side doors.

It will be evident that this construction of heater can be used eitherfor steam or hotwater heating. If for the latter, there will be nosteam-space, properly so called.

Having thus fully described my invention, what I claim, and desire toprotect by Letters Patent, is-,

1. The combination with the front and rear boiler-sections having theiradjacent surfaces provided with diagonally opposite recessed corners,the end wall of each corner provided with a screw-threaded aperture andsaid sections connected together, alternately at the top and bottom, bymeans of right and left hand screw-threaded nipples, so as to establishan alternate upward and downward circulation through the sectionssubstantially as specified.

2. In a heater, the combination of the base, the grate, the sections seton the base, said sections having in their lower portions a firespaceand water-legs forming the sides of said fire-space, said sides and topof the fire-space being longitudinally corrugated, a lower space,vertical flues leading from said firebox through said lower water-spaceinto a lower horizontal flue, said flue having its upper and lower wallscorrugated longitudinally, vertical dead ends arranged above saidvertical flues and corresponding in position and size therewithextending into an upper waterspace from said lower horizontal flue, anend flue connecting said lower flue with an upper horizontal flue, saidupper flue being arranged between the upper water-space and thesteamspace and having its upper and lower walls longitudinallycorrugated, substantially as specified.

3. In a heater, the combination of the supporting-base having on oneside bearings for the grate-bars, and on the other an elongated slot forthe admission of the grate-sections, a locking-bar for lockin g thegrate in position, a connecting-arm connecting said grate-sections, ahandle for operating the same, boilersections arranged upon said base,said sections forming a fire-box having its walls and top corrugatedabove said grate and said sections having horizontal flueslongitudinally corrugated, a front flue connecting said horizontalflues, vertical flues and dead ends, substantially as described andshown.

at. Aheater composed of a base having bearings on one side and anelongated slot on the other side to receive the grate-sections, a boilersupported on said base and having a fire-space beneath, water-legs onboth sides of the fire-space, lower and upper water-spaces and asteam-space, two horizontal flues arranged respectively between thelower and upper water-spaces, and upper water-space and steam-space, asingle vertical flue connecting said horizontal flues, vertical fluesleading from fire-space of lower water-space, dead ends immediately oversaid vertical flues and extending from lower horizontal flues into theupper water-space, the heating-surfaces forming the walls of saidfire-space and walls of both horizontal flues being longitudinallycorrugated, substantially as described and shown.

5. In a heater, intermediate boiler-sections each formed withwater-legs, lower and upper water-spaces and a steam-space, a fire-spacearranged beneath the lower and upper flues, said boiler-sections havingboth front and rear faces formed with a countersunk central portionextending from the fire-box nearly to the top of the upper water-spaceand terminating above and below toward each side by inclined planessloping respectively downwardly and outwardly, and upwardly and outdaga,in the State of N eW York, this 20th day wardly and terminating inrectangular cutof December, 1895. outs on their outer edges,substantially as de- V r 7 V 1 scribed and Shown .LIIOMAS IIEA ILE) InWitness whereof I have hereunto set my \Vitnesses: hand, in the presenceof two attesting Wit- ALFRED ILKINSON,

nesses, at Syracuse, in the county of Onon- CONRAD SCHOENECK.

